<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/logo.png"
             alt="头像">
      </div>
      <el-form ref="loginFormRef"
               :model="loginForm"
               :rules="loginFormRules"
               label-width="0px"
               class="login_form">
        <el-form-item prop="username">
          <el-input v-model="loginForm.username"
                    placeholder="请输入账号..."
                    prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password"
                    placeholder="请输入密码..."
                    type="password"
                    prefix-icon="iconfont icon-password"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary"
                     @click="login">登录</el-button>
          <el-button type="info"
                     @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  methods: {
    resetLoginForm () {
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async (valid) => {
        console.log(valid)
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        console.log(res)
        this.$message.success('登录成功！')
        // if (res.meta.status !== 200) return console.log("登录失败");
        // console.log("登录成功");
        window.sessionStorage.setItem('token', 'OK')
        this.$router.push('/home')
      })
    }
  },
  data () {
    return {
      loginForm: {
        username: '',
        password: ''
      },
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          {
            required: true,
            message: '请输入登录名称',
            trigger: 'blur'
          }, {
            min: 3,
            max: 10,
            message: '长度在 3 到 10 个字符',
            trigger: 'blur'
          }
        ],
        password: [{
          required: true, message: '请输入登录密码', trigger: 'blur'
        },
        { min: 6, max: 15, message: '长度在 6 到 15 个字符之间', trigger: 'blur' }
        ]
      }
    }
  }

}
</script>

<style lang="scss" scoped>
.login_container {
  background: #2b4b6b;
  height: 100%;

  .login_box {
    width: 450px;
    height: 300px;
    border-radius: 3px;
    background-color: #fff;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    .avatar_box {
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      height: 130px;
      width: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      background-color: #fff;
      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
  }
}

.login_form {
  box-sizing: border-box;
  width: 100%;
  padding: 0 20px;
  position: absolute;
  bottom: 0;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
